Home / 1,241,152.80-1,861,729.20-443,335.20

Finding the Fourth Proportional to 1,241,152.80, 1,861,729.20 and 443,335.20

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Solution

The fourth proportional to 1,241,152.80, 1,861,729.20 and 443,335.20 is: 665,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,152.80 : 1,861,729.20 = 443,335.20 : x
  2. Step 2: Convert to fraction form
    1,241,152.80/1,861,729.20 = 443,335.20/x
  3. Step 3: Cross multiply
    1,241,152.80x = 1,861,729.20 × 443,335.20
  4. Step 4: Simplify right side
    1,241,152.80x = 825,370,087,227.84
  5. Step 5: Solve for x
    x = 825,370,087,227.84/1,241,152.80
  6. Step 6: Final answer
    x = 665,002.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.